Golden trumpet (Allamanda cathartica) @Dlium
Golden trumpet (Allamanda cathartica)  @Dlium
Uploaded December 2024 | Updated September 2026, 3 weeks ago
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Allamanda or golden trumpet (Allamanda cathartica) is a species of plant in Apocynaceae, evergreen, woody shrub, upright, up to 2 meters high, old stems are brown due to wood formation and young shoots are green.

The leaves have pointed tips, rough surfaces, 6-23 cm long and gathered in 3-4 strands. The flowers are yellow and shaped like trumpets, 9 cm long and 5-7.5 cm in diameter.

This species grows around rivers or open areas that are exposed to lots of sunlight with sufficient rain and high humidity throughout the year. This plant is unable to grow in saline or too alkaline soil and cannot withstand low temperatures.

A. cathartica grows well and produces flowers in full sun intensity without obstruction. This species grows well in sandy soil, rich in organic matter and well aerated. The right climate for growth is a tropical climate. The native habitat is at an elevation of 0-700 meters, rainfall 1000-2800 mm/year. Flowers grow year-round in many habitats, propagating by seed and stem cuttings. Some hybrid varieties have difficulty producing seed capsules.

Flowers can be used as a laxative. The sap has antibacterial properties. Flowers have antibiotic properties against Staphylococcus bacteria. Flowers are also commonly used as a medicine to prevent complications of malaria and spleen swelling. Roots are used to prevent jaundice.

Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Magnoliopsida
Order: Gentianales
Family: Apocynaceae
Subfamily: Rauvolfioideae
Tribe: Plumerieae
Subtribe: Allamandinae
Genus: Allamanda L. in Mant. Pl. 2: 146 (1771)
Species: Allamanda cathartica L. in Mant. Pl. 2: 214 (1771)

Homotypic Synonyms

Allamanda cathartica var. grandiflora L.H.Bailey & Raffill in L.H.Bailey, Cycl. Amer. Hort. 1: 247 (1914)
Allamanda grandiflora Lam. in Encycl. 4: 601 (1798)
Orelia grandiflora Aubl. in Hist. Pl. Guiane 1: 270 (1775)

Heterotypic Synonyms

Allamanda aubletii Pohl in Pl. Bras. Icon. Descr. 1: 75 (1827)
Allamanda cathartica var. hendersonii (W.Bull ex Dombrain) L.H.Bailey & Raffill in L.H.Bailey, Cycl. Amer. Hort. 1: 247 (1914)
Allamanda cathartica var. williamsii (Anon.) L.H.Bailey in Cycl. Amer. Hort.: 246 (1933)
Allamanda chelsonii K.Koch in Wochenschr. Vereines Beförd. Gartenbaues Königl. Preuss. Staaten 14: 130 (1871)
Allamanda hendersonii Hend. in Proc. Roy. Hort. Soc. London 4: 175 (1864)
Allamanda latifolia C.Presl in Abh. Königl. Böhm. Ges. Wiss., ser. 5, 3: 533 (1845)
Allamanda linnaei Pohl in Pl. Bras. Icon. Descr. 1: 74 (1827)
Allamanda wardleyana Jacob-Makoy in Nursery Cat. (L.Jacob-Makoy & Co.) 114: 1 (1870)
Allamanda williamsii Anon. in Garden (London, 1871-1927) 40: 1642 (1891)
Echites verticillatus Sessé & Moc. in Fl. Mexic.: 43 (1893)

Publications

Choudhary, R.K., Srivastava, R.C., Das, A.K. & Lee, J. (2012). Floristic diversity assessment and vegetation analysis of Upper Siang district of eastern Himalaya in North East India. Korean Journal of Plant Taxonomy 42: 222-246.

Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.

Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

Jongkind, C.C.H. (2022). Flore du Gabon 59: 1-276. Muséum National D'Histoire Naturelle, Paris; Margraf Publishers, Weikersheim; Meise Botanic Garden.

Karthigeyan, K., Pandey, R.P. & Mao, A.A. (eds.) (2023). Flora of Andaman and Nicobar Islands 2: 1-689. Botanical Survey of India. Ministry of environment, forest and climate change.

Middleton, D.J. (2011). Flora of peninsular Malaysia, II, 2: 1-235. Institut Penyelidikan Perhutanan Malaysia.

Middleton, J.D. (ed.) (2019). Flora of Singapore 13: 1-654. Singapore Botanic Gardens.

Pasha, M.K. & Uddin, S.B. (2013). Dictionary of plant names of Bangladesh, Vasc. Pl.: 1-434. Janokalyan Prokashani, Chittagong, Bangladesh.

Plunkett, G.M., Ranker, T.A., Sam, C. & Balick, M.J. (2022). Towards a checklist of the vascular flora of Vanuatu. Candollea 77: 105-118.

Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon. Scripta Botanica Belgica 35: 1-438.

Chinese (Simplified): 软枝黄蝉
Chinese (Traditional): 軟枝黃蟬
English: Golden Trumpet, Yellow Allamanda, Common Trumpetvine
Indonesian: Bunga terompet emas, Alamanda
Melayu: Bunga akar kuning, Akar cempaka kuning
Sunda: Lame areuy
Thai: บานบุรี

Learn more: dlium.com/2024/12/golden-trumpet-allamanda-cathartica.html

Location: Purwodadi, Purworejo Regency, Central Java Province, Indonesia.

Aryo Bandoro
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Golden trumpet (Allamanda cathartica)

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